/**
 * 
 */
package com.fox.webapp.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.fox.webapp.utils.Constant;

/**
 * @author yockii
 *
 */
public class UserLoginInterceptor implements HandlerInterceptor {

	@Override
	public boolean preHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler) throws Exception {
		if(request.getSession(true).getAttribute(Constant.SESSION_USER) == null){
			if (request.getHeader("X-Requested-With") != null) {
				response.setStatus(response.SC_UNAUTHORIZED);
				return false;
			}
			
			response.sendRedirect(request.getContextPath() + "/login.html");
			return false;
		}
		return true;
	}

	@Override
	public void postHandle(HttpServletRequest request,
			HttpServletResponse response, Object handler,
			ModelAndView modelAndView) throws Exception {
		
	}

	@Override
	public void afterCompletion(HttpServletRequest request,
			HttpServletResponse response, Object handler, Exception ex)
			throws Exception {
		
	}

}
